IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 552 - 557 of 968

Access detailed explanations (illustrated with images and videos) to 968 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 552

» Everyday Mathematics

Edit
MCQ▾

Question

Dharma got married 5 years ago. Today her age is times her age at the time of marriage. Her son’s age is times her age. Her son’s age is ________

Choices

Choice (4) Response

a.

13 years

b.

12 years

c.

10 years

d.

15 years

Question number: 553

» Everyday Mathematics

Edit
MCQ▾

Question

One fourth of a head of cows is in the forest. Twice the square root of the head has gone to mountains, and of the remaining, 15 are on the bank of a river. The total number of cows is ________

Choices

Choice (4) Response

a.

6

b.

63

c.

36

d.

100

Question number: 554

» Everyday Mathematics

Edit
MCQ▾

Question

P is thrice good a workman as Q and therefore is able to finish a job in 40 days less than Q. Working together they can do it in ________ days.

Choices

Choice (4) Response

a.

16

b.

15

c.

14

d.

10

Question number: 555

» Everyday Mathematics

Edit
MCQ▾

Question

A girl calculates that the probability of her winning the first prize in a lottery is 0.15. If 8000 tickets are sold, how many tickets has she bought?

Choices

Choice (4) Response

a.

1400

b.

1800

c.

1200

d.

1600

Question number: 556

» Everyday Mathematics

Edit
MCQ▾

Question

A man whose bowling average is 12.4 takes 5 wickets for 26 runs and thereby decreases his average by 0.4. The number of wickets, taken by him, before his last match, is ________

Choices

Choice (4) Response

a.

72

b.

85

c.

64

d.

78

Question number: 557

» Everyday Mathematics

Edit
MCQ▾

Question

If compound interest on a certain sum for 2 years is Rs. 451 the simple interest will be ________

Choices

Choice (4) Response

a.

325

b.

440

c.

625

d.

352